#5984BE
Closest named color: Cool Blue (#4984B8). oklch(60.7% 0.101 256.2), rgb(89, 132, 190).
Aa
Black text reads best on this color (5.46:1).
About this color
#5984BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.101 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.020 away. Black text reads best on it, at 5.46:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.46:1 |
| White text | 3.83:1 |
Values
| HEX | #5984BE |
| RGB | rgb(89, 132, 190) |
| HSL | hsl(214, 44%, 55%) |
| OKLCH | oklch(60.7% 0.101 256.2) |
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 #5984BE | 3.83:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #5984BE | 5.46:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #5984BE text on white | 3.83:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #5984BE text on black | 5.46:1 | AA | Lc -35.9 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ACC3E1
oklch(81% 0.049 255.1)
-
Step 400
400
#80A3D2
oklch(70.7% 0.079 255.9)
-
Step 500
500 (this color)
#5984BE
oklch(60.7% 0.101 256.2)
-
Step 600
600
#4674B2
oklch(55.5% 0.11 256.3)
-
Step 700
700
#38619A
oklch(49% 0.103 256.9)
-
Step 800
800
#2E507C
oklch(42.7% 0.084 255.5)
-
Step 900
900
#294264
oklch(37.6% 0.066 256.4)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#5984BE 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) | #6D87C1 | 0.027 |
| Deuteranopia (no green cones) | #607EBD | 0.017 |
| Tritanopia (no blue cones) | #229199 | 0.089 |
| Achromatopsia (no color) | #828282 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5984BE
#5984BE
oklch(60.7% 0.101 256.2)
- #A57935
#A57935
oklch(60.7% 0.101 75.5)
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 #5984BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.020
- Off Blue #5684AE ΔE 0.026
- Steel Blue #4682B4 ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.029
- Faded Blue #658CBB ΔE 0.029
- Water Blue #0E87CC ΔE 0.049
- Windows Blue #3778BF ΔE 0.051
- Blue NCS #118AB2 ΔE 0.055
Use #5984BE 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.