#334887
Closest named color: Cobalt (#1E488F). oklch(41.8% 0.108 267.7), rgb(51, 72, 135).
Aa
White text reads best on this color (8.68:1).
About this color
#334887 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.108 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.025 away. White text reads best on it, at 8.68:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #334887 |
| RGB | rgb(51, 72, 135) |
| HSL | hsl(225, 45%, 36%) |
| OKLCH | oklch(41.8% 0.108 267.7) |
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 #334887 | 8.68:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #334887 | 2.41:1 | Fails | Lc 14.4 | Not readable |
| #334887 text on white | 8.68:1 | AAA | Lc 89.6 | Fine for body text |
| #334887 text on black | 2.41:1 | Fails | Lc -12.7 | 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 800.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AFC0EA
oklch(80.9% 0.062 267.7)
-
Step 400
400
#859EE0
oklch(70.6% 0.101 267.9)
-
Step 500
500
#6785D7
oklch(63.1% 0.129 267.5)
-
Step 600
600
#506DC5
oklch(55.6% 0.14 267.9)
-
Step 700
700
#415BAA
oklch(49.2% 0.13 267.7)
-
Step 800
800 (this color)
#334887
oklch(41.8% 0.108 267.7)
-
Step 900
900
#2E3F6E
oklch(37.8% 0.084 267.4)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#334887 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) | #2A4F89 | 0.021 |
| Deuteranopia (no green cones) | #1E4886 | 0.022 |
| Tritanopia (no blue cones) | #005661 | 0.093 |
| Achromatopsia (no color) | #4B4B4B | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334887
#334887
oklch(41.8% 0.108 267.7)
- #604900
#604900
oklch(41.8% 0.085 87.9)
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 #334887, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.025
- Dusk Blue #26538D ΔE 0.032
- Light Navy #155084 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.047
- Twilight #4E518B ΔE 0.049
Use #334887 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.