#4B699B
Closest named color: Muted Blue (#3B719F). oklch(52% 0.087 260.2), rgb(75, 105, 155).
Aa
White text reads best on this color (5.53:1).
About this color
#4B699B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.087 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.026 away. White text reads best on it, at 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #4B699B |
| RGB | rgb(75, 105, 155) |
| HSL | hsl(218, 35%, 45%) |
| OKLCH | oklch(52% 0.087 260.2) |
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 #4B699B | 5.53:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #4B699B | 3.79:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #4B699B text on white | 5.53:1 | AA | Lc 77.6 | Fine for body text |
| #4B699B text on black | 3.79:1 | AA large text | Lc -24.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE9
oklch(88.5% 0.023 258.4)
-
Step 300
300
#B1C2DD
oklch(81% 0.043 259.6)
-
Step 400
400
#88A2CB
oklch(70.7% 0.067 259.4)
-
Step 500
500
#6B8ABE
oklch(63.1% 0.086 260.5)
-
Step 600
600
#5373AA
oklch(55.5% 0.094 260.8)
-
Step 700
700 (this color)
#4B699B
oklch(52% 0.087 260.2)
-
Step 800
800
#374F76
oklch(42.6% 0.072 259.8)
-
Step 900
900
#304260
oklch(37.8% 0.057 260.3)
-
Step 950
950
#1C2738
oklch(27.1% 0.035 258.9)
#4B699B 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) | #566D9D | 0.019 |
| Deuteranopia (no green cones) | #4C659A | 0.011 |
| Tritanopia (no blue cones) | #25747B | 0.078 |
| Achromatopsia (no color) | #686868 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B699B
#4B699B
oklch(52% 0.087 260.2)
- #836327
#836327
oklch(52% 0.087 80.3)
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 #4B699B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.026
- French Blue #436BAD ΔE 0.029
- Dusky Blue #475F94 ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.032
- Dull Blue #49759C ΔE 0.035
- Denim #3B638C ΔE 0.035
- Metallic Blue #4F738E ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.048
Use #4B699B 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.