#1B7C64
Closest named color: Bluegreen (#017A79). oklch(52.6% 0.094 171.7), rgb(27, 124, 100).
Aa
White text reads best on this color (5.10:1).
About this color
#1B7C64 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.094 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.036 away. White text reads best on it, at 5.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #1B7C64 |
| RGB | rgb(27, 124, 100) |
| HSL | hsl(165, 64%, 30%) |
| OKLCH | oklch(52.6% 0.094 171.7) |
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 #1B7C64 | 5.10:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #1B7C64 | 4.11:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #1B7C64 text on white | 5.10:1 | AA | Lc 74.8 | Content text, not long reading |
| #1B7C64 text on black | 4.11:1 | AA large text | Lc -26.9 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED7
oklch(88.4% 0.023 172.8)
-
Step 300
300
#A6CABD
oklch(80.9% 0.043 171.3)
-
Step 400
400
#74AF9B
oklch(70.8% 0.068 171)
-
Step 500
500
#4B9B83
oklch(63.2% 0.088 171.4)
-
Step 600
600 (this color)
#1B7C64
oklch(52.6% 0.094 171.7)
-
Step 700
700
#18715B
oklch(49.2% 0.088 171.7)
-
Step 800
800
#185C4A
oklch(42.8% 0.073 171.4)
-
Step 900
900
#1C4B3E
oklch(37.6% 0.056 172.2)
-
Step 950
950
#122C24
oklch(27% 0.036 171.2)
#1B7C64 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) | #787363 | 0.097 |
| Deuteranopia (no green cones) | #6B6A66 | 0.093 |
| Tritanopia (no blue cones) | #007D75 | 0.025 |
| Achromatopsia (no color) | #6E6E6E | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B7C64
#1B7C64
oklch(52.6% 0.094 171.7)
- #945371
#945371
oklch(52.7% 0.094 351.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B7C64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.036
- Teal #008080 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.045
- Deep Aqua #08787F ΔE 0.048
- Jungle Green #048243 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.058
- Dark Cyan #008B8B ΔE 0.064
Use #1B7C64 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.