#2364BC
Closest named color: Mid Blue (#276AB3). oklch(51.1% 0.153 257.4), rgb(35, 100, 188).
Aa
White text reads best on this color (5.80:1).
About this color
#2364BC is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.153 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.024 away. White text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.62:1 |
| White text | 5.80:1 |
Values
| HEX | #2364BC |
| RGB | rgb(35, 100, 188) |
| HSL | hsl(215, 69%, 44%) |
| OKLCH | oklch(51.1% 0.153 257.4) |
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 #2364BC | 5.80:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #2364BC | 3.62:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #2364BC text on white | 5.80:1 | AA | Lc 78.5 | Fine for body text |
| #2364BC text on black | 3.62:1 | AA large text | Lc -23.2 | 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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A3C3F1
oklch(81% 0.074 257.4)
-
Step 400
400
#70A2EA
oklch(70.7% 0.119 257.5)
-
Step 500
500
#4989E3
oklch(63.1% 0.151 257.3)
-
Step 600
600
#2A71D1
oklch(55.7% 0.164 257.3)
-
Step 700
700 (this color)
#2364BC
oklch(51.1% 0.153 257.4)
-
Step 800
800
#1A4D93
oklch(42.7% 0.127 257.5)
-
Step 900
900
#1C4175
oklch(37.8% 0.099 257.5)
-
Step 950
950
#112644
oklch(26.9% 0.062 257.5)
#2364BC 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) | #336DBF | 0.029 |
| Deuteranopia (no green cones) | #045FBA | 0.021 |
| Tritanopia (no blue cones) | #007987 | 0.116 |
| Achromatopsia (no color) | #656565 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2364BC
#2364BC
oklch(51.1% 0.153 257.4)
- #885D00
#885D00
oklch(51.1% 0.107 77.4)
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 #2364BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.024
- French Blue #436BAD ΔE 0.044
- Windows Blue #3778BF ΔE 0.060
- Flat Blue #3C73A8 ΔE 0.062
- Royal Blue #4169E1 ΔE 0.065
- Peacock Blue #016795 ΔE 0.067
- Nice Blue #107AB0 ΔE 0.068
- Muted Blue #3B719F ΔE 0.068
Use #2364BC 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.