#02475D
Closest named color: Dark Grey Blue (#29465B). oklch(37.1% 0.071 227.1), rgb(2, 71, 93).
Aa
White text reads best on this color (10.18:1).
About this color
#02475D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 37%, its chroma 0.071 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 10.18:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #02475D |
| RGB | rgb(2, 71, 93) |
| HSL | hsl(195, 96%, 19%) |
| OKLCH | oklch(37.1% 0.071 227.1) |
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 #02475D | 10.18:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #02475D | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #02475D text on white | 10.18:1 | AAA | Lc 93.2 | Preferred for body text |
| #02475D text on black | 2.06:1 | Fails | Lc -9.3 | Not readable |
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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DEE8
oklch(88.6% 0.029 224.7)
-
Step 300
300
#9DC8DC
oklch(80.9% 0.053 228)
-
Step 400
400
#63ABCA
oklch(70.6% 0.085 227.8)
-
Step 500
500
#2C96BC
oklch(63.1% 0.108 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900 (this color)
#02475D
oklch(37.1% 0.071 227.1)
-
Step 950
950
#082B37
oklch(27.1% 0.045 225.2)
#02475D 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) | #3B465E | 0.051 |
| Deuteranopia (no green cones) | #303E5D | 0.044 |
| Tritanopia (no blue cones) | #004D4E | 0.038 |
| Achromatopsia (no color) | #414141 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02475D
#02475D
oklch(37.1% 0.071 227.1)
- #5E331D
#5E331D
oklch(37.1% 0.071 46.8)
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 #02475D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Charcoal #264653 ΔE 0.027
- Dark Teal #014D4E ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.042
- Midnight Green #073B4C ΔE 0.044
- Deep Teal #00555A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.054
- Twilight Blue #0A437A ΔE 0.055
Use #02475D 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.