#4F689F
Closest named color: French Blue (#436BAD). oklch(52.2% 0.092 264.8), rgb(79, 104, 159).
Aa
White text reads best on this color (5.50:1).
About this color
#4F689F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.092 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.024 away. White text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #4F689F |
| RGB | rgb(79, 104, 159) |
| HSL | hsl(221, 34%, 47%) |
| OKLCH | oklch(52.2% 0.092 264.8) |
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 #4F689F | 5.50:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #4F689F | 3.81:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #4F689F text on white | 5.50:1 | AA | Lc 77.4 | Fine for body text |
| #4F689F text on black | 3.81:1 | AA large text | Lc -24.4 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400
#8BA0CE
oklch(70.6% 0.072 265.5)
-
Step 500
500
#6E88C1
oklch(63% 0.092 265.1)
-
Step 600
600
#5672AE
oklch(55.7% 0.099 264.4)
-
Step 700
700 (this color)
#4F689F
oklch(52.2% 0.092 264.8)
-
Step 800
800
#3A4E79
oklch(42.8% 0.076 264.4)
-
Step 900
900
#324161
oklch(37.7% 0.059 264.6)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#4F689F 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) | #536DA1 | 0.016 |
| Deuteranopia (no green cones) | #4A659E | 0.011 |
| Tritanopia (no blue cones) | #2C747C | 0.083 |
| Achromatopsia (no color) | #696969 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F689F
#4F689F
oklch(52.2% 0.092 264.8)
- #826520
#826520
oklch(52.3% 0.092 85.1)
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 #4F689F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.024
- Muted Blue #3B719F ΔE 0.031
- Dusky Blue #475F94 ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.034
- Dull Blue #49759C ΔE 0.039
- Denim #3B638C ΔE 0.042
- Mid Blue #276AB3 ΔE 0.047
- Metallic Blue #4F738E ΔE 0.048
Use #4F689F 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.