#285D6F
Closest named color: Petrol (#005F6A). oklch(45% 0.063 223.2), rgb(40, 93, 111).
Aa
White text reads best on this color (7.27:1).
About this color
#285D6F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.063 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.023 away. White text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #285D6F |
| RGB | rgb(40, 93, 111) |
| HSL | hsl(195, 47%, 30%) |
| OKLCH | oklch(45% 0.063 223.2) |
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 #285D6F | 7.27:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #285D6F | 2.88:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #285D6F text on white | 7.27:1 | AAA | Lc 85.1 | Fine for body text |
| #285D6F text on black | 2.88:1 | Fails | Lc -16.9 | 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 800.
-
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
#CBDCE3
oklch(88.4% 0.021 224.3)
-
Step 300
300
#A8C6D2
oklch(80.8% 0.036 224)
-
Step 400
400
#78A9BC
oklch(70.7% 0.059 224)
-
Step 500
500
#5294AB
oklch(63.2% 0.076 222.8)
-
Step 600
600
#337E96
oklch(55.7% 0.082 222.4)
-
Step 700
700
#256A80
oklch(49.1% 0.076 222.9)
-
Step 800
800 (this color)
#285D6F
oklch(45% 0.063 223.2)
-
Step 900
900
#214755
oklch(37.6% 0.049 224.6)
-
Step 950
950
#142A32
oklch(27.1% 0.032 223.6)
#285D6F 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) | #535B70 | 0.051 |
| Deuteranopia (no green cones) | #49536F | 0.046 |
| Tritanopia (no blue cones) | #006363 | 0.037 |
| Achromatopsia (no color) | #575757 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285D6F
#285D6F
oklch(45% 0.063 223.2)
- #734A38
#734A38
oklch(45.1% 0.063 44.4)
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 #285D6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.023
- YInMn Blue #415A77 ΔE 0.032
- Dark Aqua #05696B ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.046
- Deep Teal #00555A ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.053
- Denim #3B638C ΔE 0.054
Use #285D6F 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.