#456F91
Closest named color: Metallic Blue (#4F738E). oklch(52.5% 0.072 244.2), rgb(69, 111, 145).
Aa
White text reads best on this color (5.33:1).
About this color
#456F91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.072 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.019 away. White text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #456F91 |
| RGB | rgb(69, 111, 145) |
| HSL | hsl(207, 36%, 42%) |
| OKLCH | oklch(52.5% 0.072 244.2) |
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 #456F91 | 5.33:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #456F91 | 3.93:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #456F91 text on white | 5.33:1 | AA | Lc 76.5 | Fine for body text |
| #456F91 text on black | 3.93:1 | AA large text | Lc -25.3 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C3D4
oklch(80.8% 0.032 245.2)
-
Step 400
400
#86A5BF
oklch(70.8% 0.051 243.9)
-
Step 500
500
#678EAF
oklch(63.1% 0.066 244.6)
-
Step 600
600 (this color)
#456F91
oklch(52.5% 0.072 244.2)
-
Step 700
700
#3E6584
oklch(49.1% 0.067 243.7)
-
Step 800
800
#34526B
oklch(42.6% 0.055 244.7)
-
Step 900
900
#2E4457
oklch(37.7% 0.043 245.3)
-
Step 950
950
#1B2833
oklch(27% 0.027 244.6)
#456F91 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) | #616F93 | 0.035 |
| Deuteranopia (no green cones) | #566790 | 0.029 |
| Tritanopia (no blue cones) | #1C777A | 0.060 |
| Achromatopsia (no color) | #6B6B6B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456F91
#456F91
oklch(52.5% 0.072 244.2)
- #87613D
#87613D
oklch(52.4% 0.071 63.7)
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 #456F91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.019
- Muted Blue #3B719F ΔE 0.023
- Dull Blue #49759C ΔE 0.023
- Flat Blue #3C73A8 ΔE 0.036
- Cerulean #457B9D ΔE 0.036
- Sea Blue #047495 ΔE 0.038
- Denim #3B638C ΔE 0.039
- Stormy Blue #507B9C ΔE 0.040
Use #456F91 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.