#002F3F
Closest named color: Oxford Blue (#1B263B). oklch(28.5% 0.055 227.1), rgb(0, 47, 63).
Aa
White text reads best on this color (14.20:1).
About this color
#002F3F is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.055 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 14.20:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.47:1 |
| White text | 14.20:1 |
Values
| HEX | #002F3F |
| RGB | rgb(0, 47, 63) |
| HSL | hsl(195, 100%, 12%) |
| OKLCH | oklch(28.5% 0.055 227.1) |
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 #002F3F | 14.20:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #002F3F | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #002F3F text on white | 14.20:1 | AAA | Lc 100.6 | Preferred for body text |
| #002F3F text on black | 1.47:1 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF4
oklch(93.7% 0.019 227.3)
-
Step 200
200
#C1DFEC
oklch(88.6% 0.036 225.8)
-
Step 300
300
#94CAE2
oklch(81% 0.065 227.2)
-
Step 400
400
#4FADD3
oklch(70.6% 0.104 227.6)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950 (this color)
#002F3F
oklch(28.5% 0.055 227.1)
#002F3F 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) | #262E40 | 0.039 |
| Deuteranopia (no green cones) | #1E283F | 0.035 |
| Tritanopia (no blue cones) | #003434 | 0.031 |
| Achromatopsia (no color) | #2B2B2B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002F3F
#002F3F
oklch(28.5% 0.055 227.1)
- #402110
#402110
oklch(28.6% 0.055 48.1)
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 #002F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.043
- Midnight Green #073B4C ΔE 0.045
- Gunmetal #293241 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.048
- Jet #212529 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.056
Use #002F3F 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.