#245CBC
Closest named color: Mid Blue (#276AB3). oklch(49.4% 0.163 260.5), rgb(36, 92, 188).
Aa
White text reads best on this color (6.30:1).
About this color
#245CBC is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.163 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.043 away. White text reads best on it, at 6.30:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #245CBC |
| RGB | rgb(36, 92, 188) |
| HSL | hsl(218, 68%, 44%) |
| OKLCH | oklch(49.4% 0.163 260.5) |
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 #245CBC | 6.30:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #245CBC | 3.33:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #245CBC text on white | 6.30:1 | AA | Lc 80.9 | Fine for body text |
| #245CBC text on black | 3.33:1 | AA large text | Lc -21.0 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A4C2F4
oklch(81% 0.078 260.5)
-
Step 400
400
#72A0EF
oklch(70.6% 0.127 260.7)
-
Step 500
500
#4D86E9
oklch(63% 0.161 260.6)
-
Step 600
600
#306ED8
oklch(55.7% 0.175 260.4)
-
Step 700
700 (this color)
#245CBC
oklch(49.4% 0.163 260.5)
-
Step 800
800
#1F4B97
oklch(42.7% 0.134 260.5)
-
Step 900
900
#1E3F78
oklch(37.6% 0.105 260.5)
-
Step 950
950
#122646
oklch(27.1% 0.065 259.4)
#245CBC 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) | #1D67BF | 0.029 |
| Deuteranopia (no green cones) | #0059BA | 0.019 |
| Tritanopia (no blue cones) | #007383 | 0.125 |
| Achromatopsia (no color) | #606060 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245CBC
#245CBC
oklch(49.4% 0.163 260.5)
- #7F5A00
#7F5A00
oklch(49.4% 0.102 80.7)
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 #245CBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.043
- French Blue #436BAD ΔE 0.060
- Warm Blue #4B57DB ΔE 0.064
- Blue Blue #2242C7 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.069
- Iris #6258C4 ΔE 0.073
- Royal Blue #4169E1 ΔE 0.073
- Dusky Blue #475F94 ΔE 0.073
Use #245CBC 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.