#02435C
Closest named color: Dark Grey Blue (#29465B). oklch(36% 0.072 231.7), rgb(2, 67, 92).
Aa
White text reads best on this color (10.71:1).
About this color
#02435C is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.072 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 10.71:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #02435C |
| RGB | rgb(2, 67, 92) |
| HSL | hsl(197, 96%, 18%) |
| OKLCH | oklch(36% 0.072 231.7) |
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 #02435C | 10.71:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #02435C | 1.95:1 | Fails | Lc 9.5 | Not readable |
| #02435C text on white | 10.71:1 | AAA | Lc 94.4 | Preferred for body text |
| #02435C text on black | 1.95:1 | Fails | Lc -8.2 | 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
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEA
oklch(88.4% 0.03 232.5)
-
Step 300
300
#9EC8DE
oklch(81% 0.054 231.1)
-
Step 400
400
#65AACD
oklch(70.6% 0.087 231.9)
-
Step 500
500
#3295C0
oklch(63.2% 0.11 231.2)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900 (this color)
#02435C
oklch(36% 0.072 231.7)
-
Step 950
950
#0A2A39
oklch(27% 0.046 232.6)
#02435C 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) | #36425D | 0.047 |
| Deuteranopia (no green cones) | #2B3A5C | 0.041 |
| Tritanopia (no blue cones) | #004A4C | 0.042 |
| Achromatopsia (no color) | #3E3E3E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02435C
#02435C
oklch(36% 0.072 231.7)
- #5A3116
#5A3116
oklch(36% 0.071 51.8)
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 #02435C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Charcoal #264653 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.034
- Midnight Green #073B4C ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.045
- Marine Blue #01386A ΔE 0.047
- Dark Teal #014D4E ΔE 0.047
- Twilight Blue #0A437A ΔE 0.053
Use #02435C 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.