#002F4A
Closest named color: Oxford Blue (#1B263B). oklch(29.2% 0.068 240.9), rgb(0, 47, 74).
Aa
White text reads best on this color (13.94:1).
About this color
#002F4A is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.068 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 13.94:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #002F4A |
| RGB | rgb(0, 47, 74) |
| HSL | hsl(202, 100%, 15%) |
| OKLCH | oklch(29.2% 0.068 240.9) |
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 #002F4A | 13.94:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #002F4A | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #002F4A text on white | 13.94:1 | AAA | Lc 100.2 | Preferred for body text |
| #002F4A text on black | 1.50:1 | 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
#DDECF8
oklch(93.5% 0.023 241.9)
-
Step 200
200
#C0DEF4
oklch(88.6% 0.044 239.8)
-
Step 300
300
#91C8F0
oklch(80.9% 0.081 240.6)
-
Step 400
400
#4AAAE9
oklch(70.8% 0.129 240.8)
-
Step 500
500
#0092D9
oklch(63.1% 0.147 241)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466B
oklch(37.7% 0.087 240.8)
-
Step 950
950 (this color)
#002F4A
oklch(29.2% 0.068 240.9)
#002F4A 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) | #22304B | 0.033 |
| Deuteranopia (no green cones) | #18294A | 0.026 |
| Tritanopia (no blue cones) | #003639 | 0.045 |
| Achromatopsia (no color) | #2C2C2C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002F4A
#002F4A
oklch(29.2% 0.068 240.9)
- #432200
#432200
oklch(29.1% 0.068 60.8)
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 #002F4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.041
- Marine #042E60 ΔE 0.041
- Midnight Green #073B4C ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.047
- Gunmetal #293241 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.052
- Dark #1B2431 ΔE 0.054
Use #002F4A 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.