#344275
Closest named color: Twilight Blue (#0A437A). oklch(39.3% 0.088 270.4), rgb(52, 66, 117).
Aa
White text reads best on this color (9.62:1).
About this color
#344275 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.088 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.038 away. White text reads best on it, at 9.62:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #344275 |
| RGB | rgb(52, 66, 117) |
| HSL | hsl(227, 38%, 33%) |
| OKLCH | oklch(39.3% 0.088 270.4) |
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 #344275 | 9.62:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #344275 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #344275 text on white | 9.62:1 | AAA | Lc 92.2 | Preferred for body text |
| #344275 text on black | 2.18:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F2
oklch(88.6% 0.036 269.9)
-
Step 300
300
#B0BFEC
oklch(80.9% 0.066 270.5)
-
Step 400
400
#879DE3
oklch(70.7% 0.106 270.2)
-
Step 500
500
#6B83DB
oklch(63.1% 0.135 270.6)
-
Step 600
600
#536BC8
oklch(55.6% 0.146 270.2)
-
Step 700
700
#4459AD
oklch(49.2% 0.136 270.2)
-
Step 800
800
#38498C
oklch(42.7% 0.112 270.3)
-
Step 900
900 (this color)
#344275
oklch(39.3% 0.088 270.4)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#344275 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) | #2D4877 | 0.018 |
| Deuteranopia (no green cones) | #264274 | 0.018 |
| Tritanopia (no blue cones) | #144D55 | 0.080 |
| Achromatopsia (no color) | #454545 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344275
#344275
oklch(39.3% 0.088 270.4)
- #564300
#564300
oklch(39.2% 0.08 90.3)
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 #344275, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.038
- Cobalt #1E488F ΔE 0.048
- Light Navy #155084 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.059
- Blueberry #464196 ΔE 0.062
Use #344275 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.