#2A788B
Closest named color: Ocean (#017B92). oklch(53.4% 0.08 217.1), rgb(42, 120, 139).
Aa
White text reads best on this color (5.05:1).
About this color
#2A788B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.017 away. White text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #2A788B |
| RGB | rgb(42, 120, 139) |
| HSL | hsl(192, 54%, 35%) |
| OKLCH | oklch(53.4% 0.08 217.1) |
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 #2A788B | 5.05:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #2A788B | 4.15:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #2A788B text on white | 5.05:1 | AA | Lc 74.6 | Content text, not long reading |
| #2A788B text on black | 4.15:1 | AA large text | Lc -27.1 | 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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#77AAB8
oklch(70.7% 0.058 216.7)
-
Step 500
500
#5195A7
oklch(63.2% 0.074 217)
-
Step 600
600 (this color)
#2A788B
oklch(53.4% 0.08 217.1)
-
Step 700
700
#236B7C
oklch(49.1% 0.074 216.7)
-
Step 800
800
#205765
oklch(42.7% 0.061 217.5)
-
Step 900
900
#204852
oklch(37.7% 0.048 216.3)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#2A788B 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) | #6B748C | 0.069 |
| Deuteranopia (no green cones) | #5E6A8B | 0.063 |
| Tritanopia (no blue cones) | #007F7E | 0.037 |
| Achromatopsia (no color) | #6F6F6F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A788B
#2A788B
oklch(53.4% 0.08 217.1)
- #955C4B
#955C4B
oklch(53.4% 0.08 37.4)
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 #2A788B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.017
- Deep Aqua #08787F ΔE 0.026
- Sea Blue #047495 ΔE 0.027
- Metallic Blue #4F738E ΔE 0.036
- Bluegreen #017A79 ΔE 0.037
- Teal #008080 ΔE 0.037
- Cerulean #457B9D ΔE 0.039
- Ocean Blue #03719C ΔE 0.042
Use #2A788B 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.