#215FC6
Closest named color: Mid Blue (#276AB3). oklch(50.7% 0.173 260.2), rgb(33, 95, 198).
Aa
White text reads best on this color (5.97:1).
About this color
#215FC6 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.173 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.045 away. White text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #215FC6 |
| RGB | rgb(33, 95, 198) |
| HSL | hsl(217, 71%, 45%) |
| OKLCH | oklch(50.7% 0.173 260.2) |
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 #215FC6 | 5.97:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #215FC6 | 3.51:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #215FC6 text on white | 5.97:1 | AA | Lc 79.3 | Fine for body text |
| #215FC6 text on black | 3.51:1 | AA large text | Lc -22.5 | 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
#E1EBFB
oklch(93.7% 0.024 259.8)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A1C2F7
oklch(80.9% 0.084 259.8)
-
Step 400
400
#6EA0F3
oklch(70.6% 0.134 260.1)
-
Step 500
500
#4786EF
oklch(63.1% 0.171 260)
-
Step 600
600
#296DDE
oklch(55.7% 0.186 260.2)
-
Step 700
700 (this color)
#215FC6
oklch(50.7% 0.173 260.2)
-
Step 800
800
#194A9C
oklch(42.7% 0.144 260.3)
-
Step 900
900
#1B3F7C
oklch(37.8% 0.112 260.3)
-
Step 950
950
#112548
oklch(26.9% 0.07 260.7)
#215FC6 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) | #146BCA | 0.031 |
| Deuteranopia (no green cones) | #005CC4 | 0.017 |
| Tritanopia (no blue cones) | #007889 | 0.133 |
| Achromatopsia (no color) | #636363 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215FC6
#215FC6
oklch(50.7% 0.173 260.2)
- #845D00
#845D00
oklch(50.6% 0.105 80.1)
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 #215FC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.045
- Warm Blue #4B57DB ΔE 0.054
- Royal Blue #4169E1 ΔE 0.058
- Azul #1D5DEC ΔE 0.059
- French Blue #436BAD ΔE 0.063
- Blue Blue #2242C7 ΔE 0.069
- Cerulean Blue #056EEE ΔE 0.069
- Neon Blue #4361EE ΔE 0.070
Use #215FC6 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.