#3A67AB
Closest named color: French Blue (#436BAD). oklch(51.5% 0.119 258.5), rgb(58, 103, 171).
Aa
White text reads best on this color (5.66:1).
About this color
#3A67AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.119 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.016 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #3A67AB |
| RGB | rgb(58, 103, 171) |
| HSL | hsl(216, 49%, 45%) |
| OKLCH | oklch(51.5% 0.119 258.5) |
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 #3A67AB | 5.66:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #3A67AB | 3.70:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #3A67AB text on white | 5.66:1 | AA | Lc 78.1 | Fine for body text |
| #3A67AB text on black | 3.70:1 | AA large text | Lc -23.7 | 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 700.
-
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
#AAC2E6
oklch(80.8% 0.057 258.4)
-
Step 400
400
#7DA2DA
oklch(70.7% 0.092 258.5)
-
Step 500
500
#5C8AD0
oklch(63.1% 0.118 258.5)
-
Step 600
600
#4173BD
oklch(55.7% 0.128 258.1)
-
Step 700
700 (this color)
#3A67AB
oklch(51.5% 0.119 258.5)
-
Step 800
800
#2B4E84
oklch(42.6% 0.099 258.8)
-
Step 900
900
#27426A
oklch(37.8% 0.076 258.1)
-
Step 950
950
#17273E
oklch(27.1% 0.048 257.5)
#3A67AB 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) | #496DAE | 0.025 |
| Deuteranopia (no green cones) | #3862AA | 0.014 |
| Tritanopia (no blue cones) | #007781 | 0.097 |
| Achromatopsia (no color) | #676767 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A67AB
#3A67AB
oklch(51.5% 0.119 258.5)
- #895F00
#895F00
oklch(51.7% 0.108 78.6)
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 #3A67AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.016
- Mid Blue #276AB3 ΔE 0.019
- Flat Blue #3C73A8 ΔE 0.036
- Muted Blue #3B719F ΔE 0.038
- Dusky Blue #475F94 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.048
- Denim #3B638C ΔE 0.049
- Ocean Blue #03719C ΔE 0.049
Use #3A67AB 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.