#3055CD
Closest named color: Warm Blue (#4B57DB). oklch(49.8% 0.191 266.3), rgb(48, 85, 205).
Aa
White text reads best on this color (6.35:1).
About this color
#3055CD is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.191 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.039 away. White text reads best on it, at 6.35:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #3055CD |
| RGB | rgb(48, 85, 205) |
| HSL | hsl(226, 62%, 50%) |
| OKLCH | oklch(49.8% 0.191 266.3) |
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 #3055CD | 6.35:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #3055CD | 3.30:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #3055CD text on white | 6.35:1 | AA | Lc 81.0 | Fine for body text |
| #3055CD text on black | 3.30:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A5C0FD
oklch(81% 0.092 265.9)
-
Step 400
400
#769CFC
oklch(70.7% 0.147 266.4)
-
Step 500
500
#5480FA
oklch(63.2% 0.188 266.2)
-
Step 600
600
#3B65E9
oklch(55.6% 0.205 266.3)
-
Step 700
700 (this color)
#3055CD
oklch(49.8% 0.191 266.3)
-
Step 800
800
#2745A4
oklch(42.8% 0.158 266.4)
-
Step 900
900
#233B82
oklch(37.7% 0.123 266.4)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#3055CD 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) | #0067D1 | 0.045 |
| Deuteranopia (no green cones) | #0058CB | 0.025 |
| Tritanopia (no blue cones) | #007389 | 0.149 |
| Achromatopsia (no color) | #5F5F5F | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3055CD
#3055CD
oklch(49.8% 0.191 266.3)
- #7C5E00
#7C5E00
oklch(49.9% 0.102 86.8)
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 #3055CD, closest first.
No curated palette has a color within ΔE 0.04 of #3055CD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.039
- Blue Blue #2242C7 ΔE 0.049
- Azul #1D5DEC ΔE 0.051
- Royal Blue #4169E1 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.062
- Neon Blue #4361EE ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Iris #6258C4 ΔE 0.066
Use #3055CD 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.