#1B6B5A
Closest named color: Dark Green Blue (#1F6357). oklch(47.6% 0.08 175.2), rgb(27, 107, 90).
Aa
White text reads best on this color (6.36:1).
About this color
#1B6B5A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.080 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.025 away. White text reads best on it, at 6.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.29:1 |
| White text | 6.36:1 |
Values
| HEX | #1B6B5A |
| RGB | rgb(27, 107, 90) |
| HSL | hsl(167, 60%, 26%) |
| OKLCH | oklch(47.6% 0.08 175.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1B6B5A | 6.36:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #1B6B5A | 3.29:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #1B6B5A text on white | 6.36:1 | AA | Lc 81.3 | Fine for body text |
| #1B6B5A text on black | 3.29:1 | AA large text | Lc -20.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A8C9BF
oklch(80.9% 0.038 175)
-
Step 400
400
#77AE9E
oklch(70.8% 0.063 174.3)
-
Step 500
500
#509987
oklch(63% 0.079 175.6)
-
Step 600
600
#308471
oklch(55.7% 0.086 175.3)
-
Step 700
700 (this color)
#1B6B5A
oklch(47.6% 0.08 175.2)
-
Step 800
800
#1E5B4D
oklch(42.8% 0.067 175)
-
Step 900
900
#1F4B40
oklch(37.8% 0.053 174.6)
-
Step 950
950
#142C26
oklch(27.1% 0.032 175.7)
#1B6B5A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #676459 | 0.083 |
| Deuteranopia (no green cones) | #5C5C5B | 0.079 |
| Tritanopia (no blue cones) | #006C66 | 0.019 |
| Achromatopsia (no color) | #5F5F5F | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6B5A
#1B6B5A
oklch(47.6% 0.08 175.2)
- #80495F
#80495F
oklch(47.7% 0.08 355.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #1B6B5A
These curated palettes and gradients contain exactly #1B6B5A. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.025
- Dark Aqua #05696B ΔE 0.031
- Dark Aquamarine #017371 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.041
- Petrol #005F6A ΔE 0.055
- Bluegreen #017A79 ΔE 0.056
- Spruce #0A5F38 ΔE 0.059
- Pine #2B5D34 ΔE 0.059
Use #1B6B5A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.