#4D6989
Closest named color: Metallic Blue (#4F738E). oklch(51.2% 0.061 252.3), rgb(77, 105, 137).
Aa
White text reads best on this color (5.67:1).
About this color
#4D6989 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.061 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.029 away. White text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #4D6989 |
| RGB | rgb(77, 105, 137) |
| HSL | hsl(212, 28%, 42%) |
| OKLCH | oklch(51.2% 0.061 252.3) |
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 #4D6989 | 5.67:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #4D6989 | 3.69:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #4D6989 text on white | 5.67:1 | AA | Lc 78.4 | Fine for body text |
| #4D6989 text on black | 3.69:1 | AA large text | Lc -23.4 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B3C2D4
oklch(80.8% 0.03 253)
-
Step 400
400
#8CA3BE
oklch(70.7% 0.047 252.6)
-
Step 500
500
#6F8CAD
oklch(63% 0.06 252)
-
Step 600
600
#577699
oklch(55.6% 0.065 252)
-
Step 700
700 (this color)
#4D6989
oklch(51.2% 0.061 252.3)
-
Step 800
800
#3B516A
oklch(42.8% 0.05 252.1)
-
Step 900
900
#324356
oklch(37.7% 0.039 251.6)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#4D6989 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) | #5D6A8A | 0.022 |
| Deuteranopia (no green cones) | #556488 | 0.017 |
| Tritanopia (no blue cones) | #377074 | 0.052 |
| Achromatopsia (no color) | #676767 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D6989
#4D6989
oklch(51.2% 0.061 252.3)
- #7C613F
#7C613F
oklch(51.1% 0.06 72.2)
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 #4D6989, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.029
- Denim #3B638C ΔE 0.030
- Slate #516572 ΔE 0.036
- Muted Blue #3B719F ΔE 0.039
- Dusky Blue #475F94 ΔE 0.040
- Dull Blue #49759C ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.052
Use #4D6989 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.