#34578D
Closest named color: Light Navy Blue (#2E5A88). oklch(45.7% 0.098 258.8), rgb(52, 87, 141).
Aa
White text reads best on this color (7.25:1).
About this color
#34578D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.098 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #34578D |
| RGB | rgb(52, 87, 141) |
| HSL | hsl(216, 46%, 38%) |
| OKLCH | oklch(45.7% 0.098 258.8) |
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 #34578D | 7.25:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #34578D | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #34578D text on white | 7.25:1 | AAA | Lc 85.0 | Fine for body text |
| #34578D text on black | 2.89:1 | Fails | Lc -17.0 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ABC2E6
oklch(80.9% 0.057 259.3)
-
Step 400
400
#7EA2DA
oklch(70.7% 0.092 259)
-
Step 500
500
#5D8ACF
oklch(63.1% 0.116 258.7)
-
Step 600
600
#4373BC
oklch(55.7% 0.126 258.6)
-
Step 700
700
#3460A3
oklch(49.2% 0.118 258.6)
-
Step 800
800 (this color)
#34578D
oklch(45.7% 0.098 258.8)
-
Step 900
900
#28426A
oklch(37.9% 0.076 258.7)
-
Step 950
950
#18273E
oklch(27.2% 0.048 258.7)
#34578D 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) | #405B8F | 0.020 |
| Deuteranopia (no green cones) | #34538C | 0.012 |
| Tritanopia (no blue cones) | #00636B | 0.082 |
| Achromatopsia (no color) | #575757 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34578D
#34578D
oklch(45.7% 0.098 258.8)
- #735000
#735000
oklch(45.7% 0.095 79.5)
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 #34578D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- Denim Blue #3B5B92 ΔE 0.016
- Dusk Blue #26538D ΔE 0.020
- Twilight #4E518B ΔE 0.035
- Dusky Blue #475F94 ΔE 0.036
- Dusk #4E5481 ΔE 0.036
- Denim #3B638C ΔE 0.038
- Light Navy #155084 ΔE 0.039
Use #34578D 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.