#1E5E55
Closest named color: Dark Green Blue (#1F6357). oklch(43.9% 0.066 182.2), rgb(30, 94, 85).
Aa
White text reads best on this color (7.53:1).
About this color
#1E5E55 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.066 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 7.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #1E5E55 |
| RGB | rgb(30, 94, 85) |
| HSL | hsl(172, 52%, 24%) |
| OKLCH | oklch(43.9% 0.066 182.2) |
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 #1E5E55 | 7.53:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #1E5E55 | 2.78:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #1E5E55 text on white | 7.53:1 | AAA | Lc 85.9 | Fine for body text |
| #1E5E55 text on black | 2.78:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A6C9C2
oklch(80.8% 0.039 181.8)
-
Step 400
400
#74AEA3
oklch(70.8% 0.063 181.2)
-
Step 500
500
#4C998D
oklch(63% 0.079 182.3)
-
Step 600
600
#2A8477
oklch(55.7% 0.086 181.6)
-
Step 700
700
#1A6F64
oklch(49% 0.08 182.2)
-
Step 800
800 (this color)
#1E5E55
oklch(43.9% 0.066 182.2)
-
Step 900
900
#1D4A44
oklch(37.6% 0.051 183.6)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#1E5E55 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) | #5A5855 | 0.071 |
| Deuteranopia (no green cones) | #505156 | 0.067 |
| Tritanopia (no blue cones) | #00605B | 0.013 |
| Achromatopsia (no color) | #545454 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E5E55
#1E5E55
oklch(43.9% 0.066 182.2)
- #70424F
#70424F
oklch(43.8% 0.066 1.9)
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 #1E5E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Petrol #005F6A ΔE 0.034
- Deep Teal #00555A ΔE 0.038
- Dark Aqua #05696B ΔE 0.041
- Dark Blue Green #005249 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.047
- Pine #2B5D34 ΔE 0.049
- Spruce #0A5F38 ΔE 0.050
Use #1E5E55 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.