#2357AE
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.15 260.2), rgb(35, 87, 174).
Aa
White text reads best on this color (6.89:1).
About this color
#2357AE is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.150 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.053 away. White text reads best on it, at 6.89:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #2357AE |
| RGB | rgb(35, 87, 174) |
| HSL | hsl(218, 67%, 41%) |
| OKLCH | oklch(47.3% 0.15 260.2) |
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 #2357AE | 6.89:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #2357AE | 3.04:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #2357AE text on white | 6.89:1 | AA | Lc 83.4 | Fine for body text |
| #2357AE text on black | 3.04:1 | AA large text | Lc -18.6 | 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
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2F0
oklch(80.9% 0.072 260.3)
-
Step 400
400
#76A1E9
oklch(70.8% 0.116 260.3)
-
Step 500
500
#5288E2
oklch(63.2% 0.148 260.1)
-
Step 600
600
#366FD0
oklch(55.5% 0.162 260.3)
-
Step 700
700 (this color)
#2357AE
oklch(47.3% 0.15 260.2)
-
Step 800
800
#234C92
oklch(42.7% 0.124 260.4)
-
Step 900
900
#214074
oklch(37.7% 0.097 260.1)
-
Step 950
950
#142644
oklch(27% 0.061 260.1)
#2357AE 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) | #2261B1 | 0.027 |
| Deuteranopia (no green cones) | #0054AC | 0.020 |
| Tritanopia (no blue cones) | #006C7A | 0.116 |
| Achromatopsia (no color) | #5A5A5A | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2357AE
#2357AE
oklch(47.3% 0.15 260.2)
- #785400
#785400
oklch(47.2% 0.098 79.9)
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 #2357AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.053
- Mid Blue #276AB3 ΔE 0.053
- Dusk Blue #26538D ΔE 0.053
- Cobalt #1E488F ΔE 0.063
- Dusky Blue #475F94 ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.064
- Blue Blue #2242C7 ΔE 0.065
- Peacock Blue #016795 ΔE 0.067
Use #2357AE 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.