#287989
Closest named color: Ocean (#017B92). oklch(53.5% 0.08 213.5), rgb(40, 121, 137).
Aa
White text reads best on this color (5.01:1).
About this color
#287989 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 213°. 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 5.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #287989 |
| RGB | rgb(40, 121, 137) |
| HSL | hsl(190, 55%, 35%) |
| OKLCH | oklch(53.5% 0.08 213.5) |
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 #287989 | 5.01:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #287989 | 4.18:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #287989 text on white | 5.01:1 | AA | Lc 74.4 | Content text, not long reading |
| #287989 text on black | 4.18:1 | AA large text | Lc -27.3 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CF
oklch(80.9% 0.036 214.5)
-
Step 400
400
#76AAB6
oklch(70.6% 0.057 213.7)
-
Step 500
500
#5095A4
oklch(63% 0.073 213.5)
-
Step 600
600 (this color)
#287989
oklch(53.5% 0.08 213.5)
-
Step 700
700
#216B7A
oklch(49% 0.074 214)
-
Step 800
800
#1E5863
oklch(42.8% 0.061 212.5)
-
Step 900
900
#1F4851
oklch(37.6% 0.048 214.1)
-
Step 950
950
#132A2F
oklch(26.9% 0.03 213.4)
#287989 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) | #6D758A | 0.072 |
| Deuteranopia (no green cones) | #5F6B89 | 0.065 |
| Tritanopia (no blue cones) | #007F7E | 0.032 |
| Achromatopsia (no color) | #6F6F6F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287989
#287989
oklch(53.5% 0.08 213.5)
- #965C4E
#965C4E
oklch(53.6% 0.08 34.3)
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 #287989, 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 0.022
- Sea Blue #047495 ΔE 0.031
- Teal #008080 ΔE 0.032
- Bluegreen #017A79 ΔE 0.032
- Metallic Blue #4F738E ΔE 0.040
- Deep Turquoise #017374 ΔE 0.041
- Cerulean #457B9D ΔE 0.042
Use #287989 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.