#0459AD
Closest named color: Dusk Blue (#26538D). oklch(47% 0.152 254.9), rgb(4, 89, 173).
Aa
White text reads best on this color (6.91:1).
About this color
#0459AD is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.152 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.053 away. White text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #0459AD |
| RGB | rgb(4, 89, 173) |
| HSL | hsl(210, 95%, 35%) |
| OKLCH | oklch(47% 0.152 254.9) |
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 #0459AD | 6.91:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #0459AD | 3.03:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #0459AD text on white | 6.91:1 | AA | Lc 83.2 | Fine for body text |
| #0459AD text on black | 3.03:1 | AA large text | Lc -18.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A1C3F0
oklch(80.8% 0.074 255.6)
-
Step 400
400
#6DA3E9
oklch(70.7% 0.118 255.4)
-
Step 500
500
#438AE2
oklch(63% 0.151 255.2)
-
Step 600
600
#1F72D0
oklch(55.5% 0.164 255.1)
-
Step 700
700 (this color)
#0459AD
oklch(47% 0.152 254.9)
-
Step 800
800
#124E92
oklch(42.7% 0.127 255.1)
-
Step 900
900
#174274
oklch(37.8% 0.098 254.5)
-
Step 950
950
#0F2744
oklch(27% 0.062 254.6)
#0459AD 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) | #2661B0 | 0.030 |
| Deuteranopia (no green cones) | #0053AB | 0.017 |
| Tritanopia (no blue cones) | #006E7A | 0.115 |
| Achromatopsia (no color) | #5A5A5A | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0459AD
#0459AD
oklch(47% 0.152 254.9)
- #7B5100
#7B5100
oklch(47% 0.099 74.6)
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 #0459AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.053
- Mid Blue #276AB3 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.056
- Peacock Blue #016795 ΔE 0.061
- Cobalt #1E488F ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.063
- Dusky Blue #475F94 ΔE 0.068
- Light Navy #155084 ΔE 0.068
Use #0459AD 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.