#456A8D
Closest named color: Denim (#3B638C). oklch(51.1% 0.07 248), rgb(69, 106, 141).
Aa
White text reads best on this color (5.67:1).
About this color
#456A8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.070 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.025 away. White text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #456A8D |
| RGB | rgb(69, 106, 141) |
| HSL | hsl(209, 34%, 41%) |
| OKLCH | oklch(51.1% 0.07 248) |
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 #456A8D | 5.67:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #456A8D | 3.69:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #456A8D text on white | 5.67:1 | AA | Lc 78.3 | Fine for body text |
| #456A8D text on black | 3.69:1 | AA large text | Lc -23.5 | 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
#D0DBE5
oklch(88.6% 0.018 245.4)
-
Step 300
300
#B0C3D6
oklch(80.9% 0.034 248.2)
-
Step 400
400
#86A4C1
oklch(70.6% 0.054 247.7)
-
Step 500
500
#688DB2
oklch(63% 0.07 249)
-
Step 600
600
#4F779E
oklch(55.6% 0.076 248.7)
-
Step 700
700 (this color)
#456A8D
oklch(51.1% 0.07 248)
-
Step 800
800
#34526D
oklch(42.7% 0.058 246.8)
-
Step 900
900
#2E4459
oklch(37.8% 0.046 248)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#456A8D 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) | #5C6B8F | 0.030 |
| Deuteranopia (no green cones) | #52648C | 0.022 |
| Tritanopia (no blue cones) | #227276 | 0.059 |
| Achromatopsia (no color) | #676767 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456A8D
#456A8D
oklch(51.1% 0.07 248)
- #815F38
#815F38
oklch(51.2% 0.07 69)
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 #456A8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.025
- Metallic Blue #4F738E ΔE 0.031
- Muted Blue #3B719F ΔE 0.031
- Dull Blue #49759C ΔE 0.037
- Dusky Blue #475F94 ΔE 0.037
- Slate #516572 ΔE 0.043
- Ocean Blue #03719C ΔE 0.043
- Sea Blue #047495 ΔE 0.044
Use #456A8D 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.