#01408F
Closest named color: Cobalt (#1E488F). oklch(38.9% 0.143 258), rgb(1, 64, 143).
Aa
White text reads best on this color (9.85:1).
About this color
#01408F is a dark, vivid blue. In OKLCH its lightness is 39%, its chroma 0.143 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.030 away. White text reads best on it, at 9.85:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #01408F |
| RGB | rgb(1, 64, 143) |
| HSL | hsl(213, 99%, 28%) |
| OKLCH | oklch(38.9% 0.143 258) |
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 #01408F | 9.85:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #01408F | 2.13:1 | Fails | Lc 11.8 | Not readable |
| #01408F text on white | 9.85:1 | AAA | Lc 92.1 | Preferred for body text |
| #01408F text on black | 2.13:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DDEBFF
oklch(93.6% 0.031 257.2)
-
Step 200
200
#C3DBFF
oklch(88.5% 0.056 258.4)
-
Step 300
300
#9AC3FF
oklch(81% 0.096 257.8)
-
Step 400
400
#60A0FF
oklch(70.6% 0.155 258.1)
-
Step 500
500
#2D85FF
oklch(63.2% 0.199 257.9)
-
Step 600
600
#006CE8
oklch(55.6% 0.205 258)
-
Step 700
700
#005AC5
oklch(49.1% 0.183 258.1)
-
Step 800
800
#004AA3
oklch(42.8% 0.158 257.9)
-
Step 900
900 (this color)
#01408F
oklch(38.9% 0.143 258)
-
Step 950
950
#042451
oklch(26.9% 0.09 258)
#01408F 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) | #004A92 | 0.028 |
| Deuteranopia (no green cones) | #003E8D | 0.006 |
| Tritanopia (no blue cones) | #005461 | 0.108 |
| Achromatopsia (no color) | #434343 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01408F
#01408F
oklch(38.9% 0.143 258)
- #5C3E00
#5C3E00
oklch(38.8% 0.081 77.9)
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 #01408F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.030
- Twilight Blue #0A437A ΔE 0.037
- Sapphire #2138AB ΔE 0.053
- Light Navy #155084 ΔE 0.054
- Dusk Blue #26538D ΔE 0.063
- Deep Sea Blue #015482 ΔE 0.065
- Marine Blue #01386A ΔE 0.066
- Blueberry #464196 ΔE 0.070
Use #01408F 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.