#03435A
Closest named color: Charcoal (#264653). oklch(35.9% 0.07 229.7), rgb(3, 67, 90).
Aa
White text reads best on this color (10.74:1).
About this color
#03435A is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.070 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.031 away. White text reads best on it, at 10.74:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #03435A |
| RGB | rgb(3, 67, 90) |
| HSL | hsl(196, 94%, 18%) |
| OKLCH | oklch(35.9% 0.07 229.7) |
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 #03435A | 10.74:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #03435A | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #03435A text on white | 10.74:1 | AAA | Lc 94.5 | Preferred for body text |
| #03435A text on black | 1.95:1 | Fails | Lc -8.1 | 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
#C7DDE9
oklch(88.5% 0.029 231.5)
-
Step 300
300
#9FC8DC
oklch(81% 0.052 229.2)
-
Step 400
400
#66ABCB
oklch(70.8% 0.084 229.5)
-
Step 500
500
#3395BD
oklch(63.1% 0.107 229.4)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900 (this color)
#03435A
oklch(35.9% 0.07 229.7)
-
Step 950
950
#0A2A38
oklch(26.9% 0.045 230.7)
#03435A 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) | #37425B | 0.048 |
| Deuteranopia (no green cones) | #2C3A5A | 0.041 |
| Tritanopia (no blue cones) | #00494B | 0.038 |
| Achromatopsia (no color) | #3E3E3E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03435A
#03435A
oklch(35.9% 0.07 229.7)
- #5A3118
#5A3118
oklch(36% 0.07 50.3)
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 #03435A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.032
- Midnight Green #073B4C ΔE 0.032
- Dark Teal #014D4E ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.045
- Marine Blue #01386A ΔE 0.050
- Twilight Blue #0A437A ΔE 0.057
Use #03435A 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.