#003147
Closest named color: Midnight Green (#073B4C). oklch(29.5% 0.062 234.6), rgb(0, 49, 71).
Aa
White text reads best on this color (13.72:1).
About this color
#003147 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.062 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.035 away. White text reads best on it, at 13.72:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.53:1 |
| White text | 13.72:1 |
Values
| HEX | #003147 |
| RGB | rgb(0, 49, 71) |
| HSL | hsl(199, 100%, 14%) |
| OKLCH | oklch(29.5% 0.062 234.6) |
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 #003147 | 13.72:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #003147 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #003147 text on white | 13.72:1 | AAA | Lc 99.9 | Preferred for body text |
| #003147 text on black | 1.53:1 | 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
#49ACDF
oklch(70.7% 0.118 234.5)
-
Step 500
500
#0095CE
oklch(63.2% 0.133 234.7)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950 (this color)
#003147
oklch(29.5% 0.062 234.6)
#003147 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) | #263148 | 0.037 |
| Deuteranopia (no green cones) | #1D2A47 | 0.032 |
| Tritanopia (no blue cones) | #003739 | 0.038 |
| Achromatopsia (no color) | #2D2D2D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003147
#003147
oklch(29.5% 0.062 234.6)
- #442309
#442309
oklch(29.5% 0.063 55)
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 #003147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.035
- Oxford Blue #1B263B ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.041
- Gunmetal #293241 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.046
- Marine #042E60 ΔE 0.049
- Dark #1B2431 ΔE 0.054
Use #003147 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.