#124FC4
Closest named color: Blue Blue (#2242C7). oklch(47% 0.193 261.9), rgb(18, 79, 196).
Aa
White text reads best on this color (7.13:1).
About this color
#124FC4 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.193 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.029 away. White text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #124FC4 |
| RGB | rgb(18, 79, 196) |
| HSL | hsl(219, 83%, 42%) |
| OKLCH | oklch(47% 0.193 261.9) |
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 #124FC4 | 7.13:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #124FC4 | 2.94:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #124FC4 text on white | 7.13:1 | AAA | Lc 84.0 | Fine for body text |
| #124FC4 text on black | 2.94:1 | Fails | Lc -18.0 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFC
oklch(88.5% 0.051 262.1)
-
Step 300
300
#A0C1FD
oklch(80.9% 0.093 262.1)
-
Step 400
400
#6C9EFD
oklch(70.6% 0.15 262.2)
-
Step 500
500
#4483FB
oklch(63.2% 0.191 261.8)
-
Step 600
600
#2668EA
oklch(55.5% 0.208 262)
-
Step 700
700 (this color)
#124FC4
oklch(47% 0.193 261.9)
-
Step 800
800
#1747A4
oklch(42.7% 0.159 261.8)
-
Step 900
900
#193D82
oklch(37.7% 0.124 261.8)
-
Step 950
950
#0F244C
oklch(26.9% 0.079 261.8)
#124FC4 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) | #0060C8 | 0.042 |
| Deuteranopia (no green cones) | #0050C2 | 0.007 |
| Tritanopia (no blue cones) | #006D82 | 0.146 |
| Achromatopsia (no color) | #585858 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124FC4
#124FC4
oklch(47% 0.193 261.9)
- #765400
#765400
oklch(47% 0.097 81.4)
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 #124FC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.029
- Majorelle Blue #3F37C9 ΔE 0.057
- Sapphire #2138AB ΔE 0.066
- Warm Blue #4B57DB ΔE 0.070
- Azul #1D5DEC ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Blurple #5539CC ΔE 0.079
- Mid Blue #276AB3 ΔE 0.081
Use #124FC4 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.