#344F9A
Closest named color: Dusk Blue (#26538D). oklch(44.8% 0.126 266.5), rgb(52, 79, 154).
Aa
White text reads best on this color (7.68:1).
About this color
#344F9A is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.126 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.029 away. White text reads best on it, at 7.68:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #344F9A |
| RGB | rgb(52, 79, 154) |
| HSL | hsl(224, 50%, 40%) |
| OKLCH | oklch(44.8% 0.126 266.5) |
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 #344F9A | 7.68:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #344F9A | 2.73:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #344F9A text on white | 7.68:1 | AAA | Lc 86.4 | Fine for body text |
| #344F9A text on black | 2.73:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ABC0F1
oklch(80.9% 0.073 266.7)
-
Step 400
400
#7F9EEB
oklch(70.8% 0.119 266.7)
-
Step 500
500
#5F84E4
oklch(63.1% 0.15 266.3)
-
Step 600
600
#476BD2
oklch(55.6% 0.164 266.6)
-
Step 700
700
#3859B6
oklch(49.1% 0.152 266.2)
-
Step 800
800 (this color)
#344F9A
oklch(44.8% 0.126 266.5)
-
Step 900
900
#293E75
oklch(37.7% 0.098 266.1)
-
Step 950
950
#182545
oklch(27.1% 0.062 265.8)
#344F9A 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) | #28589D | 0.025 |
| Deuteranopia (no green cones) | #124F98 | 0.028 |
| Tritanopia (no blue cones) | #00606D | 0.105 |
| Achromatopsia (no color) | #535353 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344F9A
#344F9A
oklch(44.8% 0.126 266.5)
- #6B5000
#6B5000
oklch(44.7% 0.092 86.1)
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 #344F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.029
- Cobalt #1E488F ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.041
- Blueberry #464196 ΔE 0.041
- Twilight #4E518B ΔE 0.043
- Light Navy #155084 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.054
Use #344F9A 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.