#6183E1
Closest named color: Soft Blue (#6488EA). oklch(62.9% 0.147 267.2), rgb(97, 131, 225).
Aa
Black text reads best on this color (5.84:1).
About this color
#6183E1 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.147 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.018 away. Black text reads best on it, at 5.84:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #6183E1 |
| RGB | rgb(97, 131, 225) |
| HSL | hsl(224, 68%, 63%) |
| OKLCH | oklch(62.9% 0.147 267.2) |
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 #6183E1 | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #6183E1 | 5.84:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #6183E1 text on white | 3.59:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #6183E1 text on black | 5.84:1 | AA | Lc -38.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F4
oklch(88.5% 0.039 266.5)
-
Step 300
300
#ACC0F0
oklch(80.9% 0.072 267.1)
-
Step 400
400
#819EE9
oklch(70.8% 0.115 267.3)
-
Step 500
500 (this color)
#6183E1
oklch(62.9% 0.147 267.2)
-
Step 600
600
#4A6BD0
oklch(55.6% 0.16 267.4)
-
Step 700
700
#3B59B4
oklch(49.1% 0.149 267.1)
-
Step 800
800
#314992
oklch(42.7% 0.124 267.3)
-
Step 900
900
#2B3E74
oklch(37.8% 0.095 267.2)
-
Step 950
950
#192544
oklch(27.1% 0.06 266.5)
#6183E1 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) | #5A8DE5 | 0.026 |
| Deuteranopia (no green cones) | #4A82DF | 0.025 |
| Tritanopia (no blue cones) | #0098A7 | 0.132 |
| Achromatopsia (no color) | #878787 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6183E1
#6183E1
oklch(62.9% 0.147 267.2)
- #AA8200
#AA8200
oklch(62.8% 0.128 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 #6183E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.018
- Dark Sky Blue #448EE4 ΔE 0.036
- Cornflower #6A79F7 ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.050
- Dodger Blue #1E90FF ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.067
- Perrywinkle #8F8CE7 ΔE 0.068
Use #6183E1 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.