#03354B
Closest named color: Midnight Green (#073B4C). oklch(31% 0.063 233.9), rgb(3, 53, 75).
Aa
White text reads best on this color (13.00:1).
About this color
#03354B is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.063 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.021 away. White text reads best on it, at 13.00:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.61:1 |
| White text | 13.00:1 |
Values
| HEX | #03354B |
| RGB | rgb(3, 53, 75) |
| HSL | hsl(198, 92%, 15%) |
| OKLCH | oklch(31% 0.063 233.9) |
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 #03354B | 13.00:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #03354B | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #03354B text on white | 13.00:1 | AAA | Lc 98.9 | Preferred for body text |
| #03354B text on black | 1.61:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DDEDF6
oklch(93.7% 0.021 232.1)
-
Step 200
200
#C0DEF1
oklch(88.5% 0.041 235.7)
-
Step 300
300
#91C9EA
oklch(80.9% 0.074 234.8)
-
Step 400
400
#47ACDF
oklch(70.7% 0.119 234.1)
-
Step 500
500
#0095CC
oklch(63.1% 0.132 233.7)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950 (this color)
#03354B
oklch(31% 0.063 233.9)
#03354B 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) | #2A354C | 0.039 |
| Deuteranopia (no green cones) | #212E4B | 0.033 |
| Tritanopia (no blue cones) | #003B3D | 0.038 |
| Achromatopsia (no color) | #313131 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03354B
#03354B
oklch(31% 0.063 233.9)
- #48270E
#48270E
oklch(31.1% 0.062 54.9)
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 #03354B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.033
- Gunmetal #293241 ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.046
- Marine #042E60 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.053
- Marine Blue #01386A ΔE 0.055
Use #03354B 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.