#2D5F5E
Closest named color: Dark Green Blue (#1F6357). oklch(45.1% 0.054 193.7), rgb(45, 95, 94).
Aa
White text reads best on this color (7.21:1).
About this color
#2D5F5E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.054 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.023 away. White text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #2D5F5E |
| RGB | rgb(45, 95, 94) |
| HSL | hsl(179, 36%, 27%) |
| OKLCH | oklch(45.1% 0.054 193.7) |
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 #2D5F5E | 7.21:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #2D5F5E | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #2D5F5E text on white | 7.21:1 | AAA | Lc 84.9 | Fine for body text |
| #2D5F5E text on black | 2.91:1 | Fails | Lc -17.1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC7C6
oklch(80.8% 0.031 194)
-
Step 400
400
#7CABA9
oklch(70.7% 0.05 192.8)
-
Step 500
500
#589695
oklch(63.1% 0.064 194.3)
-
Step 600
600
#3B807F
oklch(55.5% 0.069 194.1)
-
Step 700
700
#2C6C6B
oklch(49% 0.065 193.8)
-
Step 800
800 (this color)
#2D5F5E
oklch(45.1% 0.054 193.7)
-
Step 900
900
#244948
oklch(37.8% 0.043 193.2)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#2D5F5E 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) | #5A5B5E | 0.057 |
| Deuteranopia (no green cones) | #51545E | 0.053 |
| Tritanopia (no blue cones) | #0D625F | 0.020 |
| Achromatopsia (no color) | #575757 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5F5E
#2D5F5E
oklch(45.1% 0.054 193.7)
- #70494C
#70494C
oklch(45% 0.054 14.4)
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 #2D5F5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.023
- Petrol #005F6A ΔE 0.029
- Dark Aqua #05696B ΔE 0.034
- Deep Teal #00555A ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.050
- YInMn Blue #415A77 ΔE 0.055
- Slate #516572 ΔE 0.058
- Dark Blue Green #005249 ΔE 0.061
Use #2D5F5E 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.