#3E58C8
Closest named color: Warm Blue (#4B57DB). oklch(50.6% 0.176 269.2), rgb(62, 88, 200).
Aa
White text reads best on this color (6.11:1).
About this color
#3E58C8 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.176 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.034 away. White text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #3E58C8 |
| RGB | rgb(62, 88, 200) |
| HSL | hsl(229, 56%, 51%) |
| OKLCH | oklch(50.6% 0.176 269.2) |
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 #3E58C8 | 6.11:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #3E58C8 | 3.43:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #3E58C8 text on white | 6.11:1 | AA | Lc 80.1 | Fine for body text |
| #3E58C8 text on black | 3.43:1 | AA large text | Lc -21.8 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300
#AABFF9
oklch(80.9% 0.086 269)
-
Step 400
400
#7E9BF6
oklch(70.7% 0.137 269.3)
-
Step 500
500
#607FF2
oklch(63.1% 0.175 269.5)
-
Step 600
600
#4865E0
oklch(55.5% 0.19 269.3)
-
Step 700
700 (this color)
#3E58C8
oklch(50.6% 0.176 269.2)
-
Step 800
800
#30459E
oklch(42.8% 0.147 269.2)
-
Step 900
900
#2A3B7D
oklch(37.7% 0.114 269.4)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#3E58C8 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) | #0068CC | 0.047 |
| Deuteranopia (no green cones) | #005CC6 | 0.038 |
| Tritanopia (no blue cones) | #007387 | 0.143 |
| Achromatopsia (no color) | #626262 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E58C8
#3E58C8
oklch(50.6% 0.176 269.2)
- #7D6100
#7D6100
oklch(50.7% 0.104 88.9)
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 #3E58C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.034
- Iris #6258C4 ΔE 0.049
- Royal Blue #4169E1 ΔE 0.056
- Azul #1D5DEC ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.062
- Slate Blue #6A5ACD ΔE 0.062
- Neon Blue #4361EE ΔE 0.062
Use #3E58C8 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.