#2E5F5B
Closest named color: Dark Green Blue (#1F6357). oklch(45% 0.054 188.5), rgb(46, 95, 91).
Aa
White text reads best on this color (7.23:1).
About this color
#2E5F5B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.054 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.020 away. White text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #2E5F5B |
| RGB | rgb(46, 95, 91) |
| HSL | hsl(175, 35%, 28%) |
| OKLCH | oklch(45% 0.054 188.5) |
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 #2E5F5B | 7.23:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #2E5F5B | 2.90:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #2E5F5B text on white | 7.23:1 | AAA | Lc 85.0 | Fine for body text |
| #2E5F5B text on black | 2.90:1 | Fails | Lc -17.0 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#ABC8C4
oklch(81% 0.032 186.4)
-
Step 400
400
#7DABA7
oklch(70.7% 0.05 189.4)
-
Step 500
500
#599691
oklch(63% 0.064 189)
-
Step 600
600
#3C817B
oklch(55.7% 0.07 187.8)
-
Step 700
700
#2E6D68
oklch(49.2% 0.065 188.2)
-
Step 800
800 (this color)
#2E5F5B
oklch(45% 0.054 188.5)
-
Step 900
900
#254946
oklch(37.7% 0.042 188.6)
-
Step 950
950
#162B29
oklch(27.1% 0.027 187.9)
#2E5F5B 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) | #5A5B5B | 0.056 |
| Deuteranopia (no green cones) | #52545C | 0.055 |
| Tritanopia (no blue cones) | #14615E | 0.017 |
| Achromatopsia (no color) | #575757 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E5F5B
#2E5F5B
oklch(45% 0.054 188.5)
- #70494F
#70494F
oklch(45.1% 0.054 9.4)
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 #2E5F5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.020
- Petrol #005F6A ΔE 0.032
- Dark Aqua #05696B ΔE 0.036
- Deep Teal #00555A ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Blue Green #005249 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.059
- Pine #2B5D34 ΔE 0.060
Use #2E5F5B 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.