#455BAD
Closest named color: Dusky Blue (#475F94). oklch(49.6% 0.133 269.7), rgb(69, 91, 173).
Aa
White text reads best on this color (6.26:1).
About this color
#455BAD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.133 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.044 away. White text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #455BAD |
| RGB | rgb(69, 91, 173) |
| HSL | hsl(227, 43%, 47%) |
| OKLCH | oklch(49.6% 0.133 269.7) |
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 #455BAD | 6.26:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #455BAD | 3.35:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #455BAD text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #455BAD text on black | 3.35:1 | AA large text | Lc -20.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F2
oklch(88.6% 0.036 269.9)
-
Step 300
300
#B0BFEB
oklch(80.8% 0.065 270.2)
-
Step 400
400
#879DE1
oklch(70.6% 0.103 269.9)
-
Step 500
500
#6A84D9
oklch(63.1% 0.132 269.5)
-
Step 600
600
#536CC6
oklch(55.7% 0.142 269.6)
-
Step 700
700 (this color)
#455BAD
oklch(49.6% 0.133 269.7)
-
Step 800
800
#38498B
oklch(42.6% 0.111 270.3)
-
Step 900
900
#303E6F
oklch(37.7% 0.086 269.9)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#455BAD 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) | #3365B0 | 0.030 |
| Deuteranopia (no green cones) | #235CAB | 0.033 |
| Tritanopia (no blue cones) | #006D7B | 0.116 |
| Achromatopsia (no color) | #606060 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455BAD
#455BAD
oklch(49.6% 0.133 269.7)
- #795F00
#795F00
oklch(49.8% 0.102 90)
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 #455BAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.044
- French Blue #436BAD ΔE 0.044
- Mid Blue #276AB3 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.046
- Iris #6258C4 ΔE 0.056
- Twilight #4E518B ΔE 0.057
- Denim #3B638C ΔE 0.063
- Dusk Blue #26538D ΔE 0.067
Use #455BAD 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.