#277083
Closest named color: Sea Blue (#047495). oklch(50.9% 0.076 218.4), rgb(39, 112, 131).
Aa
White text reads best on this color (5.62:1).
About this color
#277083 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.076 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.029 away. White text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #277083 |
| RGB | rgb(39, 112, 131) |
| HSL | hsl(192, 54%, 33%) |
| OKLCH | oklch(50.9% 0.076 218.4) |
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 #277083 | 5.62:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #277083 | 3.73:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #277083 text on white | 5.62:1 | AA | Lc 77.9 | Fine for body text |
| #277083 text on black | 3.73:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D1
oklch(80.9% 0.037 218.7)
-
Step 400
400
#76AAB9
oklch(70.7% 0.059 217.7)
-
Step 500
500
#5095A8
oklch(63.2% 0.075 217.9)
-
Step 600
600
#2F7F94
oklch(55.7% 0.083 218.5)
-
Step 700
700 (this color)
#277083
oklch(50.9% 0.076 218.4)
-
Step 800
800
#1E5766
oklch(42.7% 0.063 218.5)
-
Step 900
900
#1F4853
oklch(37.7% 0.049 217.8)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#277083 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) | #646D84 | 0.065 |
| Deuteranopia (no green cones) | #576383 | 0.059 |
| Tritanopia (no blue cones) | #007676 | 0.036 |
| Achromatopsia (no color) | #676767 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277083
#277083
oklch(50.9% 0.076 218.4)
- #8B5645
#8B5645
oklch(50.9% 0.076 38.5)
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 #277083, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.029
- Deep Aqua #08787F ΔE 0.029
- Deep Turquoise #017374 ΔE 0.033
- Ocean #017B92 ΔE 0.035
- Dark Aquamarine #017371 ΔE 0.038
- Ocean Blue #03719C ΔE 0.040
- Bluegreen #017A79 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.044
Use #277083 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.