#454C9B
Closest named color: Blueberry (#464196). oklch(45.3% 0.127 276.3), rgb(69, 76, 155).
Aa
White text reads best on this color (7.60:1).
About this color
#454C9B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.127 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.029 away. White text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #454C9B |
| RGB | rgb(69, 76, 155) |
| HSL | hsl(235, 38%, 44%) |
| OKLCH | oklch(45.3% 0.127 276.3) |
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 #454C9B | 7.60:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #454C9B | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #454C9B text on white | 7.60:1 | AAA | Lc 86.2 | Fine for body text |
| #454C9B text on black | 2.76:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F5
oklch(88.4% 0.042 276.6)
-
Step 300
300
#B3BDF1
oklch(80.9% 0.074 276.1)
-
Step 400
400
#8D99EA
oklch(70.6% 0.119 276.5)
-
Step 500
500
#727EE3
oklch(63% 0.151 276.1)
-
Step 600
600
#5C65D1
oklch(55.6% 0.164 276.1)
-
Step 700
700
#4C53B5
oklch(49% 0.153 276.1)
-
Step 800
800 (this color)
#454C9B
oklch(45.3% 0.127 276.3)
-
Step 900
900
#353A75
oklch(37.6% 0.1 276.8)
-
Step 950
950
#1F2344
oklch(27.1% 0.061 276.3)
#454C9B 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) | #24579E | 0.042 |
| Deuteranopia (no green cones) | #185099 | 0.046 |
| Tritanopia (no blue cones) | #1A5E6C | 0.112 |
| Achromatopsia (no color) | #545454 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454C9B
#454C9B
oklch(45.3% 0.127 276.3)
- #655500
#655500
oklch(45.2% 0.093 96.4)
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 #454C9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.029
- Twilight #4E518B ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.044
- Dusk Blue #26538D ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.047
- Cobalt #1E488F ΔE 0.053
- Dusk #4E5481 ΔE 0.054
- Dusky Blue #475F94 ΔE 0.057
Use #454C9B 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.