#1D665E
Closest named color: Dark Green Blue (#1F6357). oklch(46.4% 0.071 184.6), rgb(29, 102, 94).
Aa
White text reads best on this color (6.74:1).
About this color
#1D665E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.071 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.012 away. White text reads best on it, at 6.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #1D665E |
| RGB | rgb(29, 102, 94) |
| HSL | hsl(173, 56%, 26%) |
| OKLCH | oklch(46.4% 0.071 184.6) |
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 #1D665E | 6.74:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #1D665E | 3.11:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #1D665E text on white | 6.74:1 | AA | Lc 82.9 | Fine for body text |
| #1D665E text on black | 3.11:1 | AA large text | Lc -19.0 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDDDA
oklch(88.4% 0.019 184.2)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#79ACA5
oklch(70.6% 0.055 185.4)
-
Step 500
500
#54988F
oklch(63.2% 0.071 184.6)
-
Step 600
600
#358279
oklch(55.6% 0.077 184.8)
-
Step 700
700 (this color)
#1D665E
oklch(46.4% 0.071 184.6)
-
Step 800
800
#225953
oklch(42.6% 0.059 185.5)
-
Step 900
900
#224A45
oklch(37.8% 0.046 184.8)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#1D665E 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) | #61605E | 0.076 |
| Deuteranopia (no green cones) | #56585F | 0.072 |
| Tritanopia (no blue cones) | #006863 | 0.011 |
| Achromatopsia (no color) | #5B5B5B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D665E
#1D665E
oklch(46.4% 0.071 184.6)
- #7B4854
#7B4854
oklch(46.5% 0.071 5)
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 #1D665E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.012
- Dark Aqua #05696B ΔE 0.020
- Petrol #005F6A ΔE 0.037
- Dark Aquamarine #017371 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.045
- Deep Teal #00555A ΔE 0.059
- Spruce #0A5F38 ΔE 0.061
- Pine #2B5D34 ΔE 0.061
Use #1D665E 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.