#1658BD
Closest named color: Blue Blue (#2242C7). oklch(48.3% 0.172 259.6), rgb(22, 88, 189).
Aa
White text reads best on this color (6.63:1).
About this color
#1658BD is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.172 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.053 away. White text reads best on it, at 6.63:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #1658BD |
| RGB | rgb(22, 88, 189) |
| HSL | hsl(216, 79%, 41%) |
| OKLCH | oklch(48.3% 0.172 259.6) |
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 #1658BD | 6.63:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #1658BD | 3.16:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #1658BD text on white | 6.63:1 | AA | Lc 82.1 | Fine for body text |
| #1658BD text on black | 3.16:1 | AA large text | Lc -19.8 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C7DAF8
oklch(88.4% 0.046 259.5)
-
Step 300
300
#A1C2F7
oklch(80.9% 0.084 259.8)
-
Step 400
400
#6DA1F3
oklch(70.8% 0.133 259.2)
-
Step 500
500
#4686EE
oklch(63% 0.17 259.7)
-
Step 600
600
#266DDD
oklch(55.6% 0.185 259.6)
-
Step 700
700 (this color)
#1658BD
oklch(48.3% 0.172 259.6)
-
Step 800
800
#174B9B
oklch(42.8% 0.142 259.3)
-
Step 900
900
#1A3F7B
oklch(37.6% 0.111 259.7)
-
Step 950
950
#102548
oklch(26.9% 0.071 260)
#1658BD 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) | #0064C1 | 0.031 |
| Deuteranopia (no green cones) | #0056BB | 0.011 |
| Tritanopia (no blue cones) | #007182 | 0.130 |
| Achromatopsia (no color) | #5D5D5D | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1658BD
#1658BD
oklch(48.3% 0.172 259.6)
- #7C5700
#7C5700
oklch(48.4% 0.1 80)
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 #1658BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.053
- Mid Blue #276AB3 ΔE 0.056
- Warm Blue #4B57DB ΔE 0.068
- Azul #1D5DEC ΔE 0.074
- French Blue #436BAD ΔE 0.075
- Denim Blue #3B5B92 ΔE 0.075
- Majorelle Blue #3F37C9 ΔE 0.076
- Dusk Blue #26538D ΔE 0.077
Use #1658BD 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.