#03354E
Closest named color: Midnight Green (#073B4C). oklch(31.2% 0.066 237.4), rgb(3, 53, 78).
Aa
White text reads best on this color (12.93:1).
About this color
#03354E is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.066 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.022 away. White text reads best on it, at 12.93:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.62:1 |
| White text | 12.93:1 |
Values
| HEX | #03354E |
| RGB | rgb(3, 53, 78) |
| HSL | hsl(200, 93%, 16%) |
| OKLCH | oklch(31.2% 0.066 237.4) |
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 #03354E | 12.93:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #03354E | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #03354E text on white | 12.93:1 | AAA | Lc 98.8 | Preferred for body text |
| #03354E text on black | 1.62:1 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200
#BFDEF3
oklch(88.5% 0.044 237.6)
-
Step 300
300
#90C9ED
oklch(80.9% 0.078 236.7)
-
Step 400
400
#46ABE5
oklch(70.7% 0.126 237.6)
-
Step 500
500
#0094D2
oklch(63.2% 0.138 237.1)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950 (this color)
#03354E
oklch(31.2% 0.066 237.4)
#03354E 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) | #29354F | 0.037 |
| Deuteranopia (no green cones) | #1F2E4E | 0.031 |
| Tritanopia (no blue cones) | #003B3E | 0.041 |
| Achromatopsia (no color) | #313131 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03354E
#03354E
oklch(31.2% 0.066 237.4)
- #492709
#492709
oklch(31.2% 0.066 57.5)
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 #03354E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.022
- Prussian Blue #1D3557 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.033
- Gunmetal #293241 ΔE 0.041
- Marine #042E60 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.046
- Marine Blue #01386A ΔE 0.050
- Oxford Blue #1B263B ΔE 0.054
Use #03354E 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.