#455A98
Closest named color: Denim Blue (#3B5B92). oklch(48.1% 0.103 268.2), rgb(69, 90, 152).
Aa
White text reads best on this color (6.62:1).
About this color
#455A98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.103 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.016 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #455A98 |
| RGB | rgb(69, 90, 152) |
| HSL | hsl(225, 38%, 43%) |
| OKLCH | oklch(48.1% 0.103 268.2) |
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 #455A98 | 6.62:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #455A98 | 3.16:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #455A98 text on white | 6.62:1 | AA | Lc 82.6 | Fine for body text |
| #455A98 text on black | 3.16:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E2
oklch(80.9% 0.05 268.8)
-
Step 400
400
#8B9FD3
oklch(70.6% 0.08 268.1)
-
Step 500
500
#6F87C8
oklch(63.2% 0.102 268)
-
Step 600
600
#586FB4
oklch(55.5% 0.111 268.7)
-
Step 700
700 (this color)
#455A98
oklch(48.1% 0.103 268.2)
-
Step 800
800
#3B4C7E
oklch(42.7% 0.086 268.4)
-
Step 900
900
#324065
oklch(37.7% 0.066 267.4)
-
Step 950
950
#1E253B
oklch(26.9% 0.042 269.9)
#455A98 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) | #41619A | 0.019 |
| Deuteranopia (no green cones) | #375997 | 0.017 |
| Tritanopia (no blue cones) | #1B6771 | 0.093 |
| Achromatopsia (no color) | #5D5D5D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455A98
#455A98
oklch(48.1% 0.103 268.2)
- #755A00
#755A00
oklch(48.2% 0.098 88.3)
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 #455A98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.016
- Dusky Blue #475F94 ΔE 0.018
- Twilight #4E518B ΔE 0.030
- Denim #3B638C ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.038
- Dusk #4E5481 ΔE 0.038
- Dusk Blue #26538D ΔE 0.046
- French Blue #436BAD ΔE 0.053
Use #455A98 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.