#2454A8
Closest named color: Dusk Blue (#26538D). oklch(46.2% 0.145 260.7), rgb(36, 84, 168).
Aa
White text reads best on this color (7.22:1).
About this color
#2454A8 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.145 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.044 away. White text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #2454A8 |
| RGB | rgb(36, 84, 168) |
| HSL | hsl(218, 65%, 40%) |
| OKLCH | oklch(46.2% 0.145 260.7) |
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 #2454A8 | 7.22:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #2454A8 | 2.90:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #2454A8 text on white | 7.22:1 | AAA | Lc 84.6 | Fine for body text |
| #2454A8 text on black | 2.90:1 | Fails | Lc -17.4 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A7C2EF
oklch(81% 0.07 260.6)
-
Step 400
400
#78A1E7
oklch(70.8% 0.113 260.7)
-
Step 500
500
#5588DF
oklch(63.2% 0.143 260.4)
-
Step 600
600
#3A6FCD
oklch(55.5% 0.156 260.9)
-
Step 700
700 (this color)
#2454A8
oklch(46.2% 0.145 260.7)
-
Step 800
800
#264C90
oklch(42.7% 0.121 261)
-
Step 900
900
#234073
oklch(37.7% 0.094 260.8)
-
Step 950
950
#152643
oklch(27% 0.059 260.5)
#2454A8 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) | #225DAB | 0.024 |
| Deuteranopia (no green cones) | #0051A6 | 0.021 |
| Tritanopia (no blue cones) | #006876 | 0.112 |
| Achromatopsia (no color) | #575757 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2454A8
#2454A8
oklch(46.2% 0.145 260.7)
- #745200
#745200
oklch(46.3% 0.096 80.9)
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 #2454A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.049
- Cobalt #1E488F ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.058
- Light Navy #155084 ΔE 0.061
- Blueberry #464196 ΔE 0.062
- Mid Blue #276AB3 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.063
Use #2454A8 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.