#456E90
Closest named color: Metallic Blue (#4F738E). oklch(52.2% 0.071 244.8), rgb(69, 110, 144).
Aa
White text reads best on this color (5.40:1).
About this color
#456E90 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.071 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.021 away. White text reads best on it, at 5.40:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #456E90 |
| RGB | rgb(69, 110, 144) |
| HSL | hsl(207, 35%, 42%) |
| OKLCH | oklch(52.2% 0.071 244.8) |
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 #456E90 | 5.40:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #456E90 | 3.88:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #456E90 text on white | 5.40:1 | AA | Lc 76.8 | Fine for body text |
| #456E90 text on black | 3.88:1 | AA large text | Lc -24.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AFC4D6
oklch(81% 0.034 244)
-
Step 400
400
#84A5C1
oklch(70.7% 0.055 244.3)
-
Step 500
500
#658EB1
oklch(63% 0.07 245)
-
Step 600
600
#4B789D
oklch(55.6% 0.076 244.6)
-
Step 700
700 (this color)
#456E90
oklch(52.2% 0.071 244.8)
-
Step 800
800
#32526D
oklch(42.6% 0.059 245.2)
-
Step 900
900
#2C4458
oklch(37.6% 0.046 244.6)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#456E90 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) | #606E92 | 0.034 |
| Deuteranopia (no green cones) | #56678F | 0.027 |
| Tritanopia (no blue cones) | #1E7679 | 0.060 |
| Achromatopsia (no color) | #6A6A6A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456E90
#456E90
oklch(52.2% 0.071 244.8)
- #86613C
#86613C
oklch(52.2% 0.071 65.2)
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 #456E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.021
- Muted Blue #3B719F ΔE 0.024
- Dull Blue #49759C ΔE 0.026
- Denim #3B638C ΔE 0.036
- Flat Blue #3C73A8 ΔE 0.037
- Sea Blue #047495 ΔE 0.039
- Cerulean #457B9D ΔE 0.039
- Ocean Blue #03719C ΔE 0.040
Use #456E90 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.