#4661AB
Closest named color: French Blue (#436BAD). oklch(50.8% 0.122 267), rgb(70, 97, 171).
Aa
White text reads best on this color (5.90:1).
About this color
#4661AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.122 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.027 away. White text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #4661AB |
| RGB | rgb(70, 97, 171) |
| HSL | hsl(224, 42%, 47%) |
| OKLCH | oklch(50.8% 0.122 267) |
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 #4661AB | 5.90:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #4661AB | 3.55:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #4661AB text on white | 5.90:1 | AA | Lc 79.3 | Fine for body text |
| #4661AB text on black | 3.55:1 | AA large text | Lc -22.5 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AFC0E8
oklch(80.8% 0.06 267)
-
Step 400
400
#869FDC
oklch(70.7% 0.094 266.9)
-
Step 500
500
#6886D2
oklch(63.1% 0.12 266.7)
-
Step 600
600
#516EC0
oklch(55.6% 0.132 267.4)
-
Step 700
700 (this color)
#4661AB
oklch(50.8% 0.122 267)
-
Step 800
800
#364B86
oklch(42.6% 0.101 267.3)
-
Step 900
900
#2F3F6B
oklch(37.6% 0.078 267.5)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#4661AB 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) | #4069AE | 0.022 |
| Deuteranopia (no green cones) | #3360A9 | 0.021 |
| Tritanopia (no blue cones) | #00717D | 0.108 |
| Achromatopsia (no color) | #646464 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4661AB
#4661AB
oklch(50.8% 0.122 267)
- #7F6100
#7F6100
oklch(50.9% 0.104 87.4)
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 #4661AB, closest first.
No curated palette has a color within ΔE 0.04 of #4661AB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.027
- Mid Blue #276AB3 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.052
- Muted Blue #3B719F ΔE 0.053
- Denim #3B638C ΔE 0.054
- Iris #6258C4 ΔE 0.060
Use #4661AB 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.