#4265C0
Closest named color: Mid Blue (#276AB3). oklch(52.9% 0.148 265.7), rgb(66, 101, 192).
Aa
White text reads best on this color (5.44:1).
About this color
#4265C0 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.148 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.035 away. White text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #4265C0 |
| RGB | rgb(66, 101, 192) |
| HSL | hsl(223, 50%, 51%) |
| OKLCH | oklch(52.9% 0.148 265.7) |
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 #4265C0 | 5.44:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #4265C0 | 3.85:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #4265C0 text on white | 5.44:1 | AA | Lc 76.9 | Fine for body text |
| #4265C0 text on black | 3.85:1 | AA large text | Lc -24.9 | 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 600.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ACC0ED
oklch(80.8% 0.068 266.1)
-
Step 400
400
#819FE4
oklch(70.8% 0.107 265.8)
-
Step 500
500
#6285DC
oklch(63% 0.137 266)
-
Step 600
600 (this color)
#4265C0
oklch(52.9% 0.148 265.7)
-
Step 700
700
#3B5BAE
oklch(49.1% 0.138 265.7)
-
Step 800
800
#314B8D
oklch(42.8% 0.114 265.7)
-
Step 900
900
#2B3F70
oklch(37.7% 0.088 265.7)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#4265C0 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) | #3670C3 | 0.029 |
| Deuteranopia (no green cones) | #1C64BE | 0.031 |
| Tritanopia (no blue cones) | #007A89 | 0.123 |
| Achromatopsia (no color) | #6A6A6A | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4265C0
#4265C0
oklch(52.9% 0.148 265.7)
- #876600
#876600
oklch(52.9% 0.108 86.3)
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 #4265C0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.035
- French Blue #436BAD ΔE 0.037
- Iris #6258C4 ΔE 0.050
- Royal Blue #4169E1 ΔE 0.051
- Windows Blue #3778BF ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.055
- Warm Blue #4B57DB ΔE 0.056
- Flat Blue #3C73A8 ΔE 0.059
Use #4265C0 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.