#285D74
Closest named color: YInMn Blue (#415A77). oklch(45.3% 0.067 229.3), rgb(40, 93, 116).
Aa
White text reads best on this color (7.22:1).
About this color
#285D74 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.067 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 7.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #285D74 |
| RGB | rgb(40, 93, 116) |
| HSL | hsl(198, 49%, 31%) |
| OKLCH | oklch(45.3% 0.067 229.3) |
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 #285D74 | 7.22:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #285D74 | 2.90:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #285D74 text on white | 7.22:1 | AAA | Lc 84.9 | Fine for body text |
| #285D74 text on black | 2.90:1 | Fails | Lc -17.1 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D5
oklch(80.9% 0.04 228.7)
-
Step 400
400
#77A9C0
oklch(70.8% 0.063 228.3)
-
Step 500
500
#5193B1
oklch(63.1% 0.081 229.4)
-
Step 600
600
#327D9C
oklch(55.7% 0.087 228.7)
-
Step 700
700
#246986
oklch(49.1% 0.082 229.8)
-
Step 800
800 (this color)
#285D74
oklch(45.3% 0.067 229.3)
-
Step 900
900
#204758
oklch(37.7% 0.053 228.9)
-
Step 950
950
#142A33
oklch(27.1% 0.033 226.5)
#285D74 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) | #515C75 | 0.047 |
| Deuteranopia (no green cones) | #475474 | 0.042 |
| Tritanopia (no blue cones) | #006365 | 0.041 |
| Achromatopsia (no color) | #575757 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285D74
#285D74
oklch(45.3% 0.067 229.3)
- #744A33
#744A33
oklch(45.1% 0.067 49.1)
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 #285D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Petrol #005F6A ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.038
- Denim #3B638C ΔE 0.047
- Dark Aqua #05696B ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.047
- Dusty Grape #545775 ΔE 0.054
- Deep Teal #00555A ΔE 0.055
Use #285D74 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.