#2353AF
Closest named color: Dusk Blue (#26538D). oklch(46.5% 0.156 261.7), rgb(35, 83, 175).
Aa
White text reads best on this color (7.17:1).
About this color
#2353AF is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.156 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.055 away. White text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #2353AF |
| RGB | rgb(35, 83, 175) |
| HSL | hsl(219, 67%, 41%) |
| OKLCH | oklch(46.5% 0.156 261.7) |
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 #2353AF | 7.17:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #2353AF | 2.92:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #2353AF text on white | 7.17:1 | AAA | Lc 84.4 | Fine for body text |
| #2353AF text on black | 2.92:1 | Fails | Lc -17.6 | 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
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF6
oklch(88.5% 0.042 261.7)
-
Step 300
300
#A6C1F2
oklch(80.8% 0.076 262.2)
-
Step 400
400
#76A0EC
oklch(70.7% 0.121 261.7)
-
Step 500
500
#5386E6
oklch(63.1% 0.155 261.9)
-
Step 600
600
#386ED4
oklch(55.7% 0.168 261.7)
-
Step 700
700 (this color)
#2353AF
oklch(46.5% 0.156 261.7)
-
Step 800
800
#244B95
oklch(42.8% 0.13 261.7)
-
Step 900
900
#223F76
oklch(37.6% 0.1 261.9)
-
Step 950
950
#142545
oklch(26.9% 0.064 261.9)
#2353AF 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) | #115EB2 | 0.029 |
| Deuteranopia (no green cones) | #0051AD | 0.019 |
| Tritanopia (no blue cones) | #006979 | 0.120 |
| Achromatopsia (no color) | #575757 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2353AF
#2353AF
oklch(46.5% 0.156 261.7)
- #745300
#745300
oklch(46.5% 0.096 81.9)
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 #2353AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.055
- Blue Blue #2242C7 ΔE 0.056
- Cobalt #1E488F ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.064
- Blueberry #464196 ΔE 0.066
- Sapphire #2138AB ΔE 0.067
- Light Navy Blue #2E5A88 ΔE 0.070
Use #2353AF 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.