#2B6872
Closest named color: Dark Aqua (#05696B). oklch(48.2% 0.064 209.8), rgb(43, 104, 114).
Aa
White text reads best on this color (6.31:1).
About this color
#2B6872 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.064 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.024 away. White text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #2B6872 |
| RGB | rgb(43, 104, 114) |
| HSL | hsl(188, 45%, 31%) |
| OKLCH | oklch(48.2% 0.064 209.8) |
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 #2B6872 | 6.31:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #2B6872 | 3.32:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #2B6872 text on white | 6.31:1 | AA | Lc 81.2 | Fine for body text |
| #2B6872 text on black | 3.32:1 | AA large text | Lc -20.6 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ABC7CC
oklch(81% 0.031 209.6)
-
Step 400
400
#7CAAB2
oklch(70.8% 0.05 209.4)
-
Step 500
500
#59949F
oklch(63% 0.064 210.7)
-
Step 600
600
#3C7E8A
oklch(55.5% 0.069 211)
-
Step 700
700 (this color)
#2B6872
oklch(48.2% 0.064 209.8)
-
Step 800
800
#27575F
oklch(42.7% 0.053 209.8)
-
Step 900
900
#25484E
oklch(37.8% 0.042 209.8)
-
Step 950
950
#162A2D
oklch(26.9% 0.026 207.9)
#2B6872 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) | #5F6473 | 0.061 |
| Deuteranopia (no green cones) | #545C72 | 0.056 |
| Tritanopia (no blue cones) | #006D6B | 0.029 |
| Achromatopsia (no color) | #606060 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B6872
#2B6872
oklch(48.2% 0.064 209.8)
- #7E5049
#7E5049
oklch(48.1% 0.064 29.1)
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 #2B6872, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.024
- Deep Turquoise #017374 ΔE 0.035
- Dark Aquamarine #017371 ΔE 0.037
- Petrol #005F6A ΔE 0.040
- Slate #516572 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.046
- Deep Aqua #08787F ΔE 0.048
- YInMn Blue #415A77 ΔE 0.050
Use #2B6872 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.