#2B778D
Closest named color: Ocean (#017B92). oklch(53.2% 0.08 220.6), rgb(43, 119, 141).
Aa
White text reads best on this color (5.08:1).
About this color
#2B778D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 221°. 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 5.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #2B778D |
| RGB | rgb(43, 119, 141) |
| HSL | hsl(193, 53%, 36%) |
| OKLCH | oklch(53.2% 0.08 220.6) |
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 #2B778D | 5.08:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #2B778D | 4.12:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #2B778D text on white | 5.08:1 | AA | Lc 74.9 | Content text, not long reading |
| #2B778D text on black | 4.12:1 | AA large text | Lc -26.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEF
oklch(93.7% 0.01 219.6)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D1
oklch(81% 0.036 219.3)
-
Step 400
400
#78A9BA
oklch(70.6% 0.058 221.5)
-
Step 500
500
#5294A9
oklch(63.1% 0.074 220.7)
-
Step 600
600 (this color)
#2B778D
oklch(53.2% 0.08 220.6)
-
Step 700
700
#256A7E
oklch(49% 0.074 220.7)
-
Step 800
800
#215767
oklch(42.8% 0.062 220.6)
-
Step 900
900
#214854
oklch(37.9% 0.048 220.5)
-
Step 950
950
#142A31
oklch(27% 0.031 220.6)
#2B778D 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) | #6A748E | 0.067 |
| Deuteranopia (no green cones) | #5C6A8D | 0.059 |
| Tritanopia (no blue cones) | #007E7E | 0.040 |
| Achromatopsia (no color) | #6E6E6E | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B778D
#2B778D
oklch(53.2% 0.08 220.6)
- #945C48
#945C48
oklch(53.2% 0.08 40.4)
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 #2B778D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.017
- Sea Blue #047495 ΔE 0.024
- Deep Aqua #08787F ΔE 0.030
- Metallic Blue #4F738E ΔE 0.034
- Cerulean #457B9D ΔE 0.037
- Ocean Blue #03719C ΔE 0.038
- Dull Blue #49759C ΔE 0.039
- Muted Blue #3B719F ΔE 0.040
Use #2B778D 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.